218874 has 8 divisors (see below), whose sum is σ = 437760. Its totient is φ = 72956.

The previous prime is 218873. The next prime is 218887. The reversal of 218874 is 478812.

It is a sphenic number, since it is the product of 3 distinct primes.

218874 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 218874.

It is not an unprimeable number, because it can be changed into a prime (218873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18234 + ... + 18245.

It is an arithmetic number, because the mean of its divisors is an integer number (54720).

2²¹⁸⁸⁷⁴ is an apocalyptic number.

218874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

218874 is a wasteful number, since it uses less digits than its factorization.

218874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36484.

The product of its digits is 3584, while the sum is 30.

The square root of 218874 is about 467.8397161422. The cubic root of 218874 is about 60.2649395068.

The spelling of 218874 in words is "two hundred eighteen thousand, eight hundred seventy-four".